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C-TRACTOR 4
Photo by: Michael Borkowski

Built in 1990, by North American Shipbuilding Incorporated of Larose, Louisiana (hull #136) as the C-Tractor 4 for Edison Chouest Offshore Incorporated of Galliano, Louisiana.

Powered by two, sixteen cylinder, EMD 16-645 diesel engines. With Ulstein z-drive units located forward. Outfitted with two, bronze, fixed pitch propellers. For a rated 4,100 horsepower.

Her electrical service is provided by two, 150kW generator sets. The tug's capacities are 41,475 gallons of fuel, and 43,588 gallons of ballast.


  • Vessel Name: C-TRACTOR 4
  • USCG Doc. No.: 959786
  • Vessel Service: INDUSTRIAL VESSEL
  • IMO Number: 8835176
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WBU9799
  • Hull Material: STEEL
  • Hull Number: 136
  • Ship Builder: NORTH AMERICAN SHIP BLDG
  • Year Built: 1990
  • Length: 96.1
  • Hailing Port: NEW ORLEANS, LA.
  • Hull Depth: 10.5
  • Hull Breadth: 37.1
  • Gross Tonnage: 189
  • Net Tonnage: 87
  • Previous Vessel Owners:
    ALPHA MARINE SERVICES LLC